RT Journal Article SR Electronic T1 Human leukocyte antigen class II-based immune risk model for recurrence evaluation in stage I–III small cell lung cancer JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e002554 DO 10.1136/jitc-2021-002554 VO 9 IS 8 A1 Chen, Peixin A1 Zhao, Lishu A1 Wang, Hao A1 Zhang, Liping A1 Zhang, Wei A1 Zhu, Jun A1 Yu, Jia A1 Zhao, Sha A1 Li, Wei A1 Sun, Chenglong A1 Wu, Chunyan A1 He, Yayi A1 Zhou, Caicun YR 2021 UL http://jitc.bmj.com/content/9/8/e002554.abstract AB Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions.